From: Prashant Malani pmalani@chromium.org
[ Upstream commit 4e477663e396f48c5cfc5f2d75d4b514f409516a ]
Alt mode indices used by USB PD (Power Delivery) start with 1, not 0.
Update the alt mdoe registration code to factor this in to the alt mode descriptor.
Fixes: de0f49487db3 ("platform/chrome: cros_ec_typec: Register partner altmodes") Signed-off-by: Prashant Malani pmalani@chromium.org Acked-by: Heikki Krogerus heikki.krogerus@linux.intel.com Reviewed-by: Tzung-Bi Shih tzungbi@kernel.org Link: https://lore.kernel.org/r/20220819190807.1275937-3-pmalani@chromium.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/platform/chrome/cros_ec_typec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c index 4d81d8d45b73..dc5722db2066 100644 --- a/drivers/platform/chrome/cros_ec_typec.c +++ b/drivers/platform/chrome/cros_ec_typec.c @@ -698,7 +698,7 @@ static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_ for (j = 0; j < sop_disc->svids[i].mode_count; j++) { memset(&desc, 0, sizeof(desc)); desc.svid = sop_disc->svids[i].svid; - desc.mode = j; + desc.mode = j + 1; desc.vdo = sop_disc->svids[i].mode_vdo[j];
if (is_partner)